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[host] return a proper exit code

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This commit is contained in:
Geoffrey McRae 2021-01-21 15:07:19 +11:00
parent 29ea8ecf6b
commit ad9e84eaaa
3 changed files with 46 additions and 32 deletions
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9
host/include/interface/platform.h
View File

@ -21,6 +21,15 @@ Place, Suite 330, Boston, MA 02111-1307 USA
#include <stdbool.h>
// exit code for user opted to exit looking-glass-host
#define LG_HOST_EXIT_USER 0xfee1dead
// exit code for capture errors that should result in a restart, e.g. UAC
#define LG_HOST_EXIT_CAPTURE 0xdead0000
// exit code for terminated
#define LG_HOST_EXIT_KILLED 0xdeadbeef
// exit code for failed to start
#define LG_HOST_EXIT_FAILED 0xdeadbaad
int app_main(int argc, char * argv[]);
bool app_init();
void app_quit();

9
host/platform/Windows/src/service.h
View File

@ -1,12 +1,3 @@
#include <stdbool.h>
// exit code for user opted to exit looking-glass-host
#define LG_HOST_EXIT_USER 0xfee1dead
// exit code for capture errors that should result in a restart, e.g. UAC
#define LG_HOST_EXIT_CAPTURE 0xdead0000
// exit code for terminated
#define LG_HOST_EXIT_KILLED 0xdeadbeef
// exit code for failed to start
#define LG_HOST_EXIT_FAILED 0xdeadbaad
bool HandleService(int argc, char * argv[]);

60
host/src/app.c
View File

@ -71,7 +71,9 @@ enum AppState
struct app
{
PLGMPHost lgmp;
int exitcode;
PLGMPHost lgmp;
PLGMPHostQueue pointerQueue;
PLGMPMemory pointerMemory[POINTER_SHAPE_BUFFERS];
@ -417,7 +419,7 @@ int app_main(int argc, char * argv[])
{
option_free();
DEBUG_ERROR("Failed to get the application's data path");
return -1;
return LG_HOST_EXIT_FAILED;
}
const size_t len = strlen(dataPath) + sizeof(CONFIG_FILE) + 1;
@ -434,18 +436,18 @@ int app_main(int argc, char * argv[])
{
option_free();
DEBUG_ERROR("Failure to parse the command line");
return -1;
return LG_HOST_EXIT_FAILED;
}
if (!option_validate())
{
option_free();
return -1;
return LG_HOST_EXIT_FAILED;
}
// perform platform specific initialization
if (!app_init())
return -1;
return LG_HOST_EXIT_FAILED;
DEBUG_INFO("Looking Glass Host (%s)", BUILD_VERSION);
@ -453,13 +455,13 @@ int app_main(int argc, char * argv[])
if (!ivshmemInit(&shmDev))
{
DEBUG_ERROR("Failed to find the IVSHMEM device");
return -1;
return LG_HOST_EXIT_FAILED;
}
if (!ivshmemOpen(&shmDev))
{
DEBUG_ERROR("Failed to open the IVSHMEM device");
return -1;
return LG_HOST_EXIT_FAILED;
}
int exitcode = 0;
@ -479,19 +481,22 @@ int app_main(int argc, char * argv[])
sizeof(udata), (uint8_t *)&udata)) != LGMP_OK)
{
DEBUG_ERROR("lgmpHostInit Failed: %s", lgmpStatusString(status));
goto fail;
exitcode = LG_HOST_EXIT_FAILED;
goto fail_ivshmem;
}
if ((status = lgmpHostQueueNew(app.lgmp, FRAME_QUEUE_CONFIG, &app.frameQueue)) != LGMP_OK)
{
DEBUG_ERROR("lgmpHostQueueCreate Failed (Frame): %s", lgmpStatusString(status));
goto fail;
exitcode = LG_HOST_EXIT_FAILED;
goto fail_lgmp;
}
if ((status = lgmpHostQueueNew(app.lgmp, POINTER_QUEUE_CONFIG, &app.pointerQueue)) != LGMP_OK)
{
DEBUG_ERROR("lgmpHostQueueNew Failed (Pointer): %s", lgmpStatusString(status));
goto fail;
exitcode = LG_HOST_EXIT_FAILED;
goto fail_lgmp;
}
for(int i = 0; i < POINTER_SHAPE_BUFFERS; ++i)
@ -499,7 +504,8 @@ int app_main(int argc, char * argv[])
if ((status = lgmpHostMemAlloc(app.lgmp, MAX_POINTER_SIZE, &app.pointerMemory[i])) != LGMP_OK)
{
DEBUG_ERROR("lgmpHostMemAlloc Failed (Pointer): %s", lgmpStatusString(status));
goto fail;
exitcode = LG_HOST_EXIT_FAILED;
goto fail_lgmp;
}
memset(lgmpHostMemPtr(app.pointerMemory[i]), 0, MAX_POINTER_SIZE);
}
@ -508,7 +514,8 @@ int app_main(int argc, char * argv[])
if ((status = lgmpHostMemAlloc(app.lgmp, MAX_POINTER_SIZE, &app.pointerShape)) != LGMP_OK)
{
DEBUG_ERROR("lgmpHostMemAlloc Failed (Pointer Shape): %s", lgmpStatusString(status));
goto fail;
exitcode = LG_HOST_EXIT_FAILED;
goto fail_lgmp;
}
const long sz = sysinfo_getPageSize();
@ -522,7 +529,8 @@ int app_main(int argc, char * argv[])
if ((status = lgmpHostMemAllocAligned(app.lgmp, app.maxFrameSize, sz, &app.frameMemory[i])) != LGMP_OK)
{
DEBUG_ERROR("lgmpHostMemAlloc Failed (Frame): %s", lgmpStatusString(status));
goto fail;
exitcode = LG_HOST_EXIT_FAILED;
goto fail_lgmp;
}
}
@ -548,8 +556,8 @@ int app_main(int argc, char * argv[])
if (!iface)
{
DEBUG_ERROR("Failed to find a supported capture interface");
exitcode = -1;
goto fail;
exitcode = LG_HOST_EXIT_FAILED;
goto fail_lgmp;
}
DEBUG_INFO("Using : %s", iface->getName());
@ -562,7 +570,7 @@ int app_main(int argc, char * argv[])
if (!lgCreateTimer(100, lgmpTimer, NULL, &app.lgmpTimer))
{
DEBUG_ERROR("Failed to create the LGMP timer");
goto fail;
goto fail_timer;
}
while(app.state != APP_STATE_SHUTDOWN)
@ -572,8 +580,8 @@ int app_main(int argc, char * argv[])
{
if (!captureStart())
{
exitcode = -1;
goto exit;
exitcode = LG_HOST_EXIT_FAILED;
goto fail_capture;
}
}
else
@ -590,8 +598,8 @@ int app_main(int argc, char * argv[])
{
if (!captureRestart())
{
exitcode = -1;
goto exit;
exitcode = LG_HOST_EXIT_FAILED;
goto finish;
}
app.state = APP_STATE_RUNNING;
}
@ -617,7 +625,7 @@ int app_main(int argc, char * argv[])
case CAPTURE_RESULT_ERROR:
DEBUG_ERROR("Capture interface reported a fatal error");
exitcode = -1;
exitcode = LG_HOST_EXIT_FAILED;
goto finish;
}
}
@ -627,17 +635,21 @@ int app_main(int argc, char * argv[])
captureStop();
}
exitcode = app.exitcode;
finish:
stopThreads();
exit:
fail_capture:
lgTimerDestroy(app.lgmpTimer);
fail_timer:
LG_LOCK_FREE(app.pointerLock);
iface->deinit();
iface->free();
fail:
fail_lgmp:
for(int i = 0; i < LGMP_Q_FRAME_LEN; ++i)
lgmpHostMemFree(&app.frameMemory[i]);
for(int i = 0; i < LGMP_Q_POINTER_LEN; ++i)
@ -645,6 +657,7 @@ fail:
lgmpHostMemFree(&app.pointerShape);
lgmpHostFree(&app.lgmp);
fail_ivshmem:
ivshmemClose(&shmDev);
ivshmemFree(&shmDev);
return exitcode;
@ -652,5 +665,6 @@ fail:
void app_quit(void)
{
app.exitcode = LG_HOST_EXIT_USER;
app.state = APP_STATE_SHUTDOWN;
}